Home / 8,650.68-11,937.94-4,671.79

Finding the Fourth Proportional to 8,650.68, 11,937.94 and 4,671.79

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Solution

The fourth proportional to 8,650.68, 11,937.94 and 4,671.79 is: 6,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.68 : 11,937.94 = 4,671.79 : x
  2. Step 2: Convert to fraction form
    8,650.68/11,937.94 = 4,671.79/x
  3. Step 3: Cross multiply
    8,650.68x = 11,937.94 × 4,671.79
  4. Step 4: Simplify right side
    8,650.68x = 55,771,566.88
  5. Step 5: Solve for x
    x = 55,771,566.88/8,650.68
  6. Step 6: Final answer
    x = 6,447.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.